package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.util.List;
@Mapper
public interface ShoppingCartMapper {
    @Insert("insert into shopping_cart(name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) VALUES " +
            "(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);


    /**
     * 根据动态条件查询购物车数据
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> showShoppingCart(ShoppingCart shoppingCart);

    /**
     * 商品数量加一
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param userId
     */
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void delete(Long userId);

    /**
     * 删除购物车中的一件商品
     * @param id
     */
    @Delete("delete from shopping_cart where id = #{id}")
    void deleteByShoppingCartId(Long id);

    /**
     * 批量插入购物车数据
     *
     * @param shoppingCartList
     */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
